JNZC has specialized in manufacturing customized high-strength special fasteners according to drawings, samples, application industries, and customer-specific requirements.
We also manufacture standard parts according to the norm.
According to the shape of the bolt head, there are the hex head, hexagon socket head, round head, square head, countersunk head, etc.
ISO9001:2008 and IATF16949 quality management system certification.
ISO/ICE 17025 laboratory accreditation, 100% online monitoring & inspection. The high-strength bolts manufactured by JNZC have the advantages of high tensile, high toughness, high strength, high precision, corrosion resistance, wear resistance, high and low-temperature resistance, etc.
High-strength bolts are widely used in machinery manufacturing, power equipment, electrical products, transportation equipment, ships, aerospace, vehicles, water conservancy, engineering, construction, bridges, and many other industries.